APA (7th ed.) Citation

Aymar, G. C. (1929). An introduction to advertising illustration. Harper & brothers.

Chicago Style (17th ed.) Citation

Aymar, Gordon C. An Introduction to Advertising Illustration. New York, London: Harper & brothers, 1929.

MLA (9th ed.) Citation

Aymar, Gordon C. An Introduction to Advertising Illustration. Harper & brothers, 1929.